Import of WPA supplicant 0.4.8

1 files changed, 163 insertions, 0 deletions

diff --git a/contrib/wpa_supplicant/crypto_gnutls.c b/contrib/wpa_supplicant/crypto_gnutls.c
new file mode 100644
index 0000000..15f9b54
--- /dev/null
+++ b/contrib/wpa_supplicant/crypto_gnutls.c
@@ -0,0 +1,163 @@
+/*
+ * WPA Supplicant / wrapper functions for libgcrypt
+ * Copyright (c) 2004-2005, Jouni Malinen <jkmaline@cc.hut.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <gcrypt.h>
+
+#include "common.h"
+#include "crypto.h"
+
+void md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	gcry_md_hd_t hd;
+	unsigned char *p;
+	int i;
+
+	if (gcry_md_open(&hd, GCRY_MD_MD4, 0) != GPG_ERR_NO_ERROR)
+		return;
+	for (i = 0; i < num_elem; i++)
+		gcry_md_write(hd, addr[i], len[i]);
+	p = gcry_md_read(hd, GCRY_MD_MD4);
+	if (p)
+		memcpy(mac, p, gcry_md_get_algo_dlen(GCRY_MD_MD4));
+	gcry_md_close(hd);
+}
+
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+	gcry_cipher_hd_t hd;
+	u8 pkey[8], next, tmp;
+	int i;
+
+	/* Add parity bits to the key */
+	next = 0;
+	for (i = 0; i < 7; i++) {
+		tmp = key[i];
+		pkey[i] = (tmp >> i) | next | 1;
+		next = tmp << (7 - i);
+	}
+	pkey[i] = next | 1;
+
+	gcry_cipher_open(&hd, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+	gcry_err_code(gcry_cipher_setkey(hd, pkey, 8));
+	gcry_cipher_encrypt(hd, cypher, 8, clear, 8);
+	gcry_cipher_close(hd);
+}
+
+
+#ifdef EAP_TLS_FUNCS
+void md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	gcry_md_hd_t hd;
+	unsigned char *p;
+	int i;
+
+	if (gcry_md_open(&hd, GCRY_MD_MD5, 0) != GPG_ERR_NO_ERROR)
+		return;
+	for (i = 0; i < num_elem; i++)
+		gcry_md_write(hd, addr[i], len[i]);
+	p = gcry_md_read(hd, GCRY_MD_MD5);
+	if (p)
+		memcpy(mac, p, gcry_md_get_algo_dlen(GCRY_MD_MD5));
+	gcry_md_close(hd);
+}
+
+
+void sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+	gcry_md_hd_t hd;
+	unsigned char *p;
+	int i;
+
+	if (gcry_md_open(&hd, GCRY_MD_SHA1, 0) != GPG_ERR_NO_ERROR)
+		return;
+	for (i = 0; i < num_elem; i++)
+		gcry_md_write(hd, addr[i], len[i]);
+	p = gcry_md_read(hd, GCRY_MD_SHA1);
+	if (p)
+		memcpy(mac, p, gcry_md_get_algo_dlen(GCRY_MD_SHA1));
+	gcry_md_close(hd);
+}
+
+
+void sha1_transform(u8 *state, const u8 data[64])
+{
+	/* FIX: how to do this with libgcrypt? */
+}
+
+
+void * aes_encrypt_init(const u8 *key, size_t len)
+{
+	gcry_cipher_hd_t hd;
+
+	if (gcry_cipher_open(&hd, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_ECB, 0) !=
+	    GPG_ERR_NO_ERROR) {
+		printf("cipher open failed\n");
+		return NULL;
+	}
+	if (gcry_cipher_setkey(hd, key, len) != GPG_ERR_NO_ERROR) {
+		printf("setkey failed\n");
+		gcry_cipher_close(hd);
+		return NULL;
+	}
+
+	return hd;
+}
+
+
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
+{
+	gcry_cipher_hd_t hd = ctx;
+	gcry_cipher_encrypt(hd, crypt, 16, plain, 16);
+}
+
+
+void aes_encrypt_deinit(void *ctx)
+{
+	gcry_cipher_hd_t hd = ctx;
+	gcry_cipher_close(hd);
+}
+
+
+void * aes_decrypt_init(const u8 *key, size_t len)
+{
+	gcry_cipher_hd_t hd;
+
+	if (gcry_cipher_open(&hd, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_ECB, 0) !=
+	    GPG_ERR_NO_ERROR)
+		return NULL;
+	if (gcry_cipher_setkey(hd, key, len) != GPG_ERR_NO_ERROR) {
+		gcry_cipher_close(hd);
+		return NULL;
+	}
+
+	return hd;
+}
+
+
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
+{
+	gcry_cipher_hd_t hd = ctx;
+	gcry_cipher_decrypt(hd, plain, 16, crypt, 16);
+}
+
+
+void aes_decrypt_deinit(void *ctx)
+{
+	gcry_cipher_hd_t hd = ctx;
+	gcry_cipher_close(hd);
+}
+#endif /* EAP_TLS_FUNCS */